Ups and downs of mecanum wheels

  1. 5 weeks ago

    dchoi77

    Dec 13 Manassas 1231C
    Edited 5 weeks ago by dchoi77

    What are the ups downsides of mecanum wheels

  2. They have a ton of rotational inertia, and accelerate slowly as a result. The upside is that you can get holonomic motion without having to mount things at diagonal angles on the chassis, with all of the regular pros and cons of a holonomic drive.

  3. Cam

    Dec 13 Ga Us ?

    Bulky and there is a lot of friction.

  4. dchoi77

    Dec 13 Manassas 1231C

    Would it work well with a 4 motor v5 chassis

  5. James6555

    Dec 13 68357A

    VERY difficult to climb, but awesome for adjusting to line up your shot. Personally we use them on our robot and it is very useful because it is critical to line up good for our double catapult. We had to get creative to climb. And again it is pretty bulky.

  6. James6555

    Dec 13 68357A

    Do you focus on flags or caps?

  7. dchoi77

    Dec 13 Manassas 1231C

    Are the turns any slower and how much slower does the mecanum wheels make your drive

  8. dchoi77

    Dec 13 Manassas 1231C

    Flags

  9. dchoi77

    Dec 13 Manassas 1231C

    We have a double catapult

  10. James6555

    Dec 13 68357A

    Turning is not bad

  11. James6555

    Dec 13 68357A

    And it isn’t super slow especially with 4 motor drive

  12. James6555

    Dec 13 68357A

    Since you have a double catapult I would recommend them but you should have some raised omniwheels in the middle

  13. dchoi77

    Dec 13 Manassas 1231C

    Ok thanks

  14. James6555

    Dec 13 68357A

    but Again it won’t climb very well on its own you will need an angled bar to push your robot up until the lower half of the wheel will be touching the platform to pull it up.

  15. James6555

    Dec 13 68357A

    Oh another pro I forgot to mention, although it is hard to get on the platform it is easy to adjust after you’re on it to avoid falling.

  16. [TVA]Connor

    Dec 13 South Texas 1814D

    I have seen robots work quite well with V5 mecanum actually. You could give mecanums a shot a give your input regarding as to what you think about mecanums :D

  17. ZackJo

    Dec 13 Saint hedwig, Texas 11495A, Robo Legends

    We have mecanums and they work very well. Omni wheels climb better, but we can still climb and if somebody tries to push you off from the side you can strafe and keep them back. You can see our reveal that we recently posted and see how we work with them.

  18. GB11

    Dec 14 Richwood, Ohio 6008A

    @dchoi77 Mecanum Wheels provide the ability to shuffle and slide horizontally with a strafe, and is ill equipped to turn as well as other options. I am not sure how the mecanums compare in terms of climbing the platforms, but it would seem that less grip would be applied with them compared to the regular 4" wheels.

  19. Seth

    Dec 14 North Carolina 5139 A
    Edited 5 weeks ago by Seth

    We have a Mecanum Drivetrain and our bot doesn't struggle to climb. Once in awhile the bot will slide sideways while climbing but there is no other assistance for it to climb just straight Mecanum

  20. Seth

    Dec 14 North Carolina 5139 A

    @James6555 VERY difficult to climb, but awesome for adjusting to line up your shot. Personally we use them on our robot and it is very useful because it is critical to line up good for our double catapult. We had to get creative to climb. And again it is pretty bulky.

    Do you have a picture of your Mecanum Drivetrain.

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